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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-04-24 20:19:09 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-05 17:53:49 -0700 |
| commit | 498aefbc69d5719d8e4713b568122c259167f7b9 (patch) | |
| tree | 74d72a719e460d6acf8a883062b97262d20e719e /include/linux/page_ref.h | |
| parent | 53e45c4f6d4f6cd7e62f4cb016018ba31c2ac8b4 (diff) | |
| download | lwn-498aefbc69d5719d8e4713b568122c259167f7b9.tar.gz lwn-498aefbc69d5719d8e4713b568122c259167f7b9.zip | |
mm: remove page_ref_sub_return()
With all callers converted to folios, we can act directly on
folio->_refcount.
Link: https://lkml.kernel.org/r/20240424191914.361554-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/page_ref.h')
| -rw-r--r-- | include/linux/page_ref.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h index d7c2d33baa7f..1acf5bac7f50 100644 --- a/include/linux/page_ref.h +++ b/include/linux/page_ref.h @@ -139,20 +139,15 @@ static inline void folio_ref_sub(struct folio *folio, int nr) page_ref_sub(&folio->page, nr); } -static inline int page_ref_sub_return(struct page *page, int nr) +static inline int folio_ref_sub_return(struct folio *folio, int nr) { - int ret = atomic_sub_return(nr, &page->_refcount); + int ret = atomic_sub_return(nr, &folio->_refcount); if (page_ref_tracepoint_active(page_ref_mod_and_return)) - __page_ref_mod_and_return(page, -nr, ret); + __page_ref_mod_and_return(&folio->page, -nr, ret); return ret; } -static inline int folio_ref_sub_return(struct folio *folio, int nr) -{ - return page_ref_sub_return(&folio->page, nr); -} - static inline void page_ref_inc(struct page *page) { atomic_inc(&page->_refcount); |